Unfiltered Power Bars

Before I went with the Audioquest Niagara 1200, I used these from Cullen Cable:

https://www.cullencable.com/gold-series-power-box-6-outlet-receptacle-strip/

No filtering and robustly made for well under your price point.

All the best,
Nonoise

Tripp Lite strip 

is all you need

I use a Synergistic Research QLS 6 line strip.  There is a used one for sale out there for $250 on another site.

You can't go wrong with any of the models from Isotek.

I have been happy with this unit from Emotiva: